CHEN Qing-jiang,HU Qian-nan,LI Jin-yang.Image deblurring based on multi-scale alternating connection residual network[J].Optics and Precision Engineering,2021,29(07):1686-1694.
To solve the problem of image blur caused by camera jitter, the relative motion between objects, and other factors, a multi-scale alternating-connection residual network is designed in this study for image deblurring, and the “coarse to fine” multi-scale method is used to gradually restore the clear image. First, a multi-scale residual module is proposed to expand the network width, and to extract and fuse the feature information between different scales. Second, an alternating-connection residual module based on dilated convolution is proposed to gradually recover the high-frequency information of the fuzzy image. Finally, a convolution layer is used to reconstruct the feature map. The experimental results show that the peak signal-to-noise ratio (PSNR) and structural similarity (SSIM) of the proposed method are 32.3136 dB and 0.9425, respectively, better than those obtained by the current image deblurring techniques. The evaluation index and subjective effect suggest that the proposed deblurring method has stronger image restoration ability, richer texture details, can effectively improve the image deblurring effect, and has higher practical value.
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